Waltham Carrier Annex Post Office

200 Smith St Ste 101, Waltham, MA 02451

Contact Numbers

Phone: 781-768-4003
Fax: 781-891-5658
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Carrier Facility: This location is for mail processing only. For retail services, please use one of the nearby locations below.

  • Business Line
  • General Delivery

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

North Waltham
854 Lexington St
1.0 mile away

1661 Massachusetts Ave
1.6 miles away

776 Main St
1.8 miles away

South Waltham
38 Spruce St
2.0 miles away


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Is Jim Sweeney on vacation? Medications sent from Wellesley on 12/23 still not delivered to Waltham by 1/2. No packages to 87 Clocktower from USPS for the entire week. Need my meds!!!!


What is going on with mail service? I am in Watertown and have not had mail on a daily basis for the past two months. This is getting a little concerning. Please reply.

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